package com.baizhi.jishi.filter;

import com.baizhi.jishi.entity.User;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@WebFilter(filterName = "test",urlPatterns = {"/department/*","/patient/*"})
public class SessionFilter implements Filter {

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		// TODO Auto-generated method stub
		HttpServletRequest req=(HttpServletRequest)arg0;
		HttpSession session=req.getSession();
		User user= (User) session.getAttribute("user");
		String path=req.getContextPath();
		if(user==null){
			HttpServletResponse resp=(HttpServletResponse)arg1;
			resp.sendRedirect(path+"/login.jsp");
//			resp.sendRedirect(path+"/login2.html");
		}else{
			arg2.doFilter(arg0, arg1);
		}
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}
